SITI KUSMARDIYANI SCHOOL OF PHARMACY ITB
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Transcript of SITI KUSMARDIYANI SCHOOL OF PHARMACY ITB
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SITI KUSMARDIYANI SCHOOL OF PHARMACY ITB
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---- Describe ---
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1999
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PROSEA, Medicinal and Poisonous Plants, 430.
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Prosea, 77.
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Rauvolfia vs Rauwolfia;
the former name was given to this Apocynaceous genus by Plumier in 1703, honouring the botanist Leonard Rauwolf. This spelling oversight caused much contention over the years centring on whether Plumier's obvious intention should be adopted in the name Rauwolfia. Both spellings are commonly found but the rules dictate that Rauvolfiahas priority.
Evans, 8
--- Read: Ch. 3 Plant Nomenclature and Taxonomy ---
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in Materia Medika Indonesia
Formerly the termed were :
“simples” or “simple drugs”
they exist as they occur naturally, not having been compounded or mixed with other substances
Simplicia in London Pharmacopoeia
Simplisia
CRUDE DRUGS
Wallis, 168
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Orthosiphonis folium Cocae folium
Sennae foliumAbri folium
LEAVES
© KUSMARDIYANI
Ver. 22SK005
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Litseae cortex Cinnamomi cortex
Alstoniae cortexCinchonae cortex
BARKS
© KUSMARDIYANI
Ver. 22SK005
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Curcumae xanthorrhizae rhizoma
Zingiberis rhizoma
Kaempferiae rhizomaLanguatis rhizoma
RHIZOMES
© KUSMARDIYANI
Ver. 22SK005
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PREPARATION OF CRUDE DRUGS
HARVESTINGCOLLECTION
DRYINGGARBLINGPACKAGING, STORAGE, PRESERVATION
Read : Tyler, Pharmacognosy; Ch. 1. Introduction - Preparation of Drugs, p. 6-8.
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COLLECTIONWild vs Cultivated Plants
--- Elaborate ---
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Wild plant Cultivated plant
Tempuyung Sonchus arvensis
Explain
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CULTIVATION the right identity of botanical source
the desired type and amount of constituents
Carelessness
Ignorancefailure to take the right plant (part)
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Visiting Kebun Percobaan Manoko, Lembang, Bandung. -- slides --
There are various aspects concerning cultivation of medicinal plants. Explain!
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Hand labor
Mechanical means
digitalis, tea
economic factors
HARVESTING
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QUALITY & QUANTITY --- GEOGRAPHIC & OTHER FACTORS
HOW TO GET THE HIGHEST AMOUNT OF ACTIVE CONSTITUENTS:
LEAVES FLOWERS FRUITS SEEDS BARKS WOODS ROOTS RHIZOMES HERBS
?
HARVESTING
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Gathercoal
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Gathercoal
TIME OF COLLECTION quality of vegetable drugs
---- Read and Discuss -----
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Gathercoal
TIME OF COLLECTION quality of vegetable drugs
The flowers gathered when they are closed produce the finest and most powerful insect powder,
nearly 2x that made from the-half-closed or open flowers
Pyrethrum flowers Pyrethri flos
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dried flower bud
Select the most suitable plant part !
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DRYINGTO REDUCE WATER CONTENT
An excess of water will encourage microbial growth, the presence of fungi or insects, and deterioration following hydrolysis.
Drying methods : NATURAL & ARTIFICIAL DRYING
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Ramstad, ….
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GARBLING
This should be carried out after the drug is dried and before it is packaged.
It is usually a semiskilled operation.
other part of the plant
dirt
added adulterants
Removal of extraneous matter:
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Illustration of collection, garbling, and drying processes:as part of a student’s final project.
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Packaging : tin cans, glass container.
Storage condition : cool, dark, well ventilated with dry air, as low a temperature as possible.
The use of methyl bromide for fumigation.
Never in wooden box or in paper bags Avoid : deterioration
odor contaminationinsects (Lepidoptera, Coleoptera, Diptera) rats
Biologics must be stored at 2 – 8 oC
STORAGEPACKAGINGPRESERVATION
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INSECTS FOUND IN CRUDE DRUGS
Ver. 22SK005
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INSECTS FOUND IN CRUDE DRUGS
Ver. 22SK005
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Myristicae semen + INSECT
© SK
INSECTS FOUND IN CRUDE DRUGS
Ver. 22SK005
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SOME STARCHES OF COMMERCE
Wallis, 17.
MICROSCOPICAL EXAMINATION
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Piperis foliumParameriae cortex
Capsici fructusGuazumae folium
Microscopic examination of a mixture containing 4 pulverized crude drugs-- Kusmardiyani, Macroscopic and Microscopic Analysis of Crude Drugs --
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Sappan lignumPsidii folium
Parkiae semen Theae folium
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BIOASSAY
Read : Tyler, Pharmacognosy; Ch. 1. Introduction - New Bioassays, p. 19-20.
Examples:Brine shrimp lethality test
Potato-disc assay
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EXTRACTS / FRACTIONS / ISOLATES
2 days
1 day
LD50
10 naupliiEvaporate
+ ASW 5 mL
Artificial sea water (ASW) 38 gram sea salt/L
Brine shrimp eggs
Count the number of dead nauplii, use Program Finney
BRINE SHRIMP LETHALITY TEST
A brine shrimp hatchery made from a plastic soap dish and placed in the light. The shrimp should hatch within 24-48h. Significant if LD50 <30 ug/mL.
KUSMARDIYANI
Get information and draw the schemes for other biological screenings.
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While in cryptobiosis, brine shrimp eggs can survive temperatures of liquid air (−190 °C or −310 °F) and a small percentage can survive above boiling temperature (105 °C or 221 °F) for up to two hours.
Once placed in briny (salt) water, the eggs hatch within a few hours. The naupliuslarvae are less than 0.4 mm in length when they first hatch. Brine shrimp have a biological life cycle of one year.
Adult female brine shrimp ovulate approximately every 140 hours. In favourable conditions, the female brine shrimp can produce eggs that almost immediately hatch. While in extreme conditions, such as low oxygen level or salinity above 150‰, female brine shrimp produce eggs with a chorion coating which has a brown colour.
An Artemia cyst
Brine shrimp - Artemia salina Leach
- Wikipedia -
These eggs, also known as cysts, are metabolically inactive and can remain in total stasis for two years while in dry oxygen-free conditions, even at temperatures below freezing. This characteristic is called cryptobiosis, meaning "hidden life".
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NATURAL PRODUCTS
Organic compounds of natural origin that are unique to one organism,
or common to a small number of closely related organisms.
?
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FORMATION OF NATURAL PRODUCTS BY LIVING ORGANISMS
BIOSYNTHESIS
BIOGENESIS
Chemical compounds are synthesized and degraded by means of a series of chemical reactions each mediated by an enzyme.
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METABOLISM
CATABOLISM
ANABOLISM(SYNTHESIS)
(DEGRADATION)
PRIMARY METABOLISM SECONDARY METABOLISM
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FLOW CHART OF SOME CELL METABOLITES
Trease, 151
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PRIMARY
SUGARS AMINOACIDS FATTY ACIDS NUCLEOTIDESetc.
POLYSACCHARIDESPROTEINS LIPIDS RNA, DNA etc.
METABOLISM All organisms possess similar metabolic pathways
by which they sinthesize certain essential chemical compounds which are essential for the survival and well-being of the organisms
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The pathways produce compounds which usually have no apparent utility.
The pathways are perhaps only activated during particular stages of growth and development
Plant secondary metabolites unique excretion.
During periods of “stress”” (nutrition limitation or microbial attack)
Animal ----------------------- kidney, liver etc. Microorganism ------------ surrounding media Plant ------------------- “storage”
SECONDARYMETABOLISM
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INTERRELATIONSHIPS OF BIOSYNTHETIC PATHWAYS LEADING TO SECONDARY CONSTITUENTS IN PLANTS
Tyler, 16.
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INTERCONNECTION BETWEEN PRIMARY AND SECONDARY
METABOLISM
Primary metabolites provides small molecules which are employed as
starting materials for all of the important secondary
metabolic pathways
principal starting materials (“building blocks”)
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ELUCIDATION OF METABOLIC PATHWAYS
A B C . . . . . . X Y Z
Structure elucidation
Biogenetic pathway
Incorporation of (stereo)spesifically labelled precursor
Biosynthetic pathway?
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Tyler, 15
Drug metabolism study using radioactive tracers
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ArecolineLobeline
( - ) - Ephedrine Nicotine
Caffeine Mescaline Morphine
Pilocarpine
( - ) - Hyoscyamine
( - ) - Cocaine
Strychnine
Emetine
Quinine
SECONDARY METABOLITES
-ALKALOIDS-(an example)
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PLANT CELL AND TISSUE
CULTURE
Read : Tyler, Pharmacognosy; Ch. 1. Introduction - New Culture Technique, p. 20-21.
In vitro culture of higher plants.
The culture on nutrient media under sterile condition.
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Evans, 99
CULTIVATION OF PLANT CELLS
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TOTIPOTENT : A SINGLE CELL IS CAPABLE OF DEVELOPING INTO A COMPLETE PLANT
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You will be responsible for all the topics listed in the Tyler’s Pharmacognosy book.
Start preparing the summary, so that you will be well-prepared for the final exam.
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1. General Introduction2. Carbohydrates and Related Compounds3. Glycosides and Tannins4. Lipids5. Volatile Oils6. Resins and Resin Combinations7. Steroids8. Alkaloids9. Peptide Hormeones and the Endocrine System
10. Enzymes and Other Proteins11. Vitamins and Vitamin-containing Drugs12. Antibiotics13. Biologics14. Allergens and Allergenic Preparations15. Poisonus Plants16. Herbs and “Health Food”
Chapters in red will be discussed in class.The rest will be yours to learn by yourself.
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The Steps of
SQ4R
One of the first textbook reading system, SQ3R, was developed by Francis P. Robinson in 1941. The SQ4R is based on SQ3R with a fourth R added for the “record” step.
Wong, L., 2000, Essential Study Skills, 3rd ed., 105-122.
1. Survey the chapter
2. Write Questions for each heading and subheading
3. Read the information one paragraph at a time
4. Select a form of notetaking to Record information
5. Recite the important information from the paragraph
6. Review the information learned in the chapter
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INTRODUCTION PART II GENERAL PHARMACOGNOSY
KUSMARDIYANI SCHOOL OF PHARMACY ITB
Enjoy the learning process.Know how, why and what you learn by using appropriate learning strategies.
Good luck.